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Your answer is at http://www.aerospaceweb.org/question/aerodynamics/q0009.shtml Which is NASA's foil sim program. it gives all equations and even allows a simulated wind tunnel test of your wing. Hope it helps.

I would like to get some more info on the extrusion you have. Is it like the VORTECH design? if it is you should be able to weight the leading edge internally with resin, just ensure the resin is thinned and the blade is level in all aspects before filling the chamber at the leading edge. I have...

I am working on a counter rotating helicopter design where the engine sits between the top and bottom rotor. The bottom rotor has a 5.25 inch chord and a 10 foot span, and is mounted on a turntable. The engine is mounted to the rotor at the axis. The top rotor has a 3.4 inch chord and a 3 foot...